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Re: [Xen-devel] Xen 4.6 Development Update
- To: Wei Liu <wei.liu2@xxxxxxxxxx>
- From: Meng Xu <xumengpanda@xxxxxxxxx>
- Date: Mon, 16 Feb 2015 15:58:05 -0500
- Cc: elena.ufimtseva@xxxxxxxxxx, Artem Mygaiev <artem.mygaiev@xxxxxxxxxxxxxxx>, Ian Jackson <ian.jackson@xxxxxxxxxxxxx>, oleksandr.dmytryshyn@xxxxxxxxxxxxxxx, chegger@xxxxxxxxx, cyliu@xxxxxxxx, "Steve.VanderLeest@xxxxxxxxxxxxxxx" <Steve.VanderLeest@xxxxxxxxxxxxxxx>, chao.p.peng@xxxxxxxxxxxxxxx, "zhigang.x.wang@xxxxxxxxxx" <zhigang.x.wang@xxxxxxxxxx>, Parth Dixit <parth.dixit@xxxxxxxxxx>, Dagaen Golomb <dgolomb@xxxxxxxxxxxxxx>, eshelton@xxxxxxxxx, "Paul.Skentzos@xxxxxxxxxxxxxxx" <Paul.Skentzos@xxxxxxxxxxxxxxx>, jtweaver@xxxxxxxxxx, "ross.lagerwall@xxxxxxxxxx" <ross.lagerwall@xxxxxxxxxx>, "guijianfeng@xxxxxxxxxxxxxx" <guijianfeng@xxxxxxxxxxxxxx>, Daniel Kiper <daniel.kiper@xxxxxxxxxx>, Joshua Whitehead <josh.whitehead@xxxxxxxxxxxxxxx>, Anthony PERARD <anthony.perard@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Serge Broslavsky <serge.broslavsky@xxxxxxxxxx>, manish jaggi <manishjaggi.oss@xxxxxxxxx>, "yjhyun.yoo@xxxxxxxxxxx" <yjhyun.yoo@xxxxxxxxxxx>, "olaf@xxxxxxxxx" <olaf@xxxxxxxxx>, Ian Campbell <ian.campbell@xxxxxxxxxx>, "wency@xxxxxxxxxxxxxx" <wency@xxxxxxxxxxxxxx>, Julien Grall <julien.grall@xxxxxxxxxx>, Robert VanVossen <robert.vanvossen@xxxxxxxxxxxxxxx>, "yang.z.zhang@xxxxxxxxx" <yang.z.zhang@xxxxxxxxx>, Elena Ufimtseva <ufimtseva@xxxxxxxxx>, robert.hu@xxxxxxxxx, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>, "andrii.tseglytskyi@xxxxxxxxxxxxxxx" <andrii.tseglytskyi@xxxxxxxxxxxxxxx>, "jgross@xxxxxxxx" <jgross@xxxxxxxx>, Thomas Leonard <talex5@xxxxxxxxx>, ard.biesheuvel@xxxxxxxxxx, George Dunlap <george.dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Dario Faggioli <dario.faggioli@xxxxxxxxxx>, "eddie.dong@xxxxxxxxx" <eddie.dong@xxxxxxxxx>, Kelly Zytaruk <Kelly.Zytaruk@xxxxxxx>, "dslutz@xxxxxxxxxxx" <dslutz@xxxxxxxxxxx>, "aravindp@xxxxxxxxx" <aravindp@xxxxxxxxx>, kai.huang@xxxxxxxxxxxxxxx, oleksandr.tyshchenko@xxxxxxxxxxxxxxx, "Aravind.Gopalakrishnan@xxxxxxx" <Aravind.Gopalakrishnan@xxxxxxx>, "david.vrabel@xxxxxxxxxx" <david.vrabel@xxxxxxxxxx>, "Suravee.Suthikulpanit@xxxxxxx" <Suravee.Suthikulpanit@xxxxxxx>, tamas.lengyel@xxxxxxxxxxxx, "tiejun.chen@xxxxxxxxx" <tiejun.chen@xxxxxxxxx>, "malcolm.crossley@xxxxxxxxxx" <malcolm.crossley@xxxxxxxxxx>, "yanghy@xxxxxxxxxxxxxx" <yanghy@xxxxxxxxxxxxxx>, Christoffer Dall <christoffer.dall@xxxxxxxxxx>, "roger.pau@xxxxxxxxxx" <roger.pau@xxxxxxxxxx>
- Delivery-date: Mon, 16 Feb 2015 20:58:25 +0000
- List-id: Xen developer discussion <xen-devel.lists.xen.org>
Hi Wei,
2015-02-16 7:38 GMT-05:00 <wei.liu2@xxxxxxxxxx>:
>
> Hi all
>
> We are now one month into 4.6 development window. This is an email to keep
> track of all the patch series I gathered. It is by no means complete and / or
> acurate. Feel free to reply this email with new projects or correct my
> misunderstanding.
Dagaen Golomb and I (Meng Xu) will improve the RTDS scheduler for Xen 4.6:
RTDS Scheduler Improvement
Burn budget in finer granularity instead of 1ms;
Use separate timer per VCPU for each VCPU's budget replenishment,
instead of scanning the full runqueue every now and then;
This improvement is document in the RTDS scheduler wiki:
http://wiki.xenproject.org/wiki/RTDS-Based-Scheduler
The progress status is none right now.
We will send out the design this week or early next week.
Thanks,
Meng
-----------
Meng Xu
PhD Student in Computer and Information Science
University of Pennsylvania
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